SMDJ12CA R7G

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TVS or Transient Voltage Suppressors are an essential component in the protection of circuit boards, PCBs, and systems from overvoltage, power surges, and voltage spikes. The SMDJ12CA R7G is a popular TVS-diode from the SMDJ-series with a nonlinear characteristic that offers excellent protection levels and low clamping voltage for various applications.

The TVS-diode is a bi-directional transient suppressor, which has an internal PN junction to suppress voltage transients in both directions. It can also withstand high current in both directions. The SMDJ12CA R7G has a maximum voltage rating of 12 V and is suitable for applications where the maximum voltage expected is 12V. It has a low clamping voltage of 7.7V, which helps to minimize power dissipation. It has a high peak pulse power rating of 600 W, which makes it suitable for use in high peak power applications. It also has a high surge current rating of 10,000A, which makes it suitable for use in high current applications.

The SMDJ12CA R7G can be used in a wide range of applications, such as automotive, consumer electronics, and industrial systems. It is particularly useful for protecting automotive systems and circuits from voltage transients that may be present due to changes in engine speed, vibration, and other conditions. It can also be used in consumer electronics applications to protect circuitry from power surges, voltage spikes, and other voltage transients. In industrial systems, the TVS-diode is used to protect circuits from voltage transients caused by power fluctuation or power supply problems. It is also suitable for LED lighting systems and other applications requiring transient voltage protection.

The working principle of the SMDJ12CA R7G is quite simple. When a voltage transient occurs, the TVS-diode “clamps” the voltage to the diode voltage rating. This means that the voltage can never be higher than the rating. When the current reaches the clamping voltage, the diode automatically dissipates the excess energy as heat, thus protecting the circuit and its components from damage due to overvoltage.

TVS-diodes such as the SMDJ12CA R7G are an ideal choice for many applications requiring transient voltage protection. The diode offers excellent protection levels and low clamping voltage, and its high surge current and peak pulse power ratings makes it suitable for use in high peak power and high current applications. It is also widely used in automotive, consumer electronics, and industrial systems.

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